An ancient city found in theSadak village which is 17 km away tosouthern east of Kelkit district. It isassured that the area is the ancient city of
Satala with the discovery of brick pieces marked with XV. Legio Apollinaris.

Satala city founded around the Roman
Legion Camp, developed and became the center of culture during the Latin
empire.

Today the Satala castle and
ruins from Aquaducts , Theater , agora and other buildings
can be seen in and around the city. It is known that the Satala castle was restored
by Byzantine Emperor Justinian.